Cuadro de texto:   -  Atomic Mass: 137.9059856 ± 0.0000113 amu -  Excess Mass: -87573.860 ± 10.546 keV -  Binding Energy: 1156039.910 ± 10.548 keV -  Beta Decay Energy: B- -4437.000 ± 10.000 keV -  Atomic Percent Abundance: 0.25% -  Spin: 0+ -  Stable Isotope    Meta state at 2.129 Mev -  Spin: 7- -  Half life: 8.65 ms -  Mode of decay: IT º  Decay energy: 2.129 MeV -  Possible parent nuclides:                                                                 Beta from La-138     Electron capture from Pr-138

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                         Home                                 Index                                  Alphabetical List of Elements                              Radionuclide Chart